Transcribed image text: An investment has offered the following annual returns over the last 5 years: 10%, 20%, 8%, 5%, and -5%. How much is the average return and standard deviation for this return distribution? O 9.6% and 6.19% O 9.6% and 5.53% 0 7.6% and 9.02% 0 7.6% and 6.5% 7.6% and 8.06%